›to state publicly that you approve of or support someone or something: endorse a decision/plan/proposalFederal safety regulators endorsed the company's decision to stop selling the product.be endorsed by sb/sthShe has been endorsed by unions that represent nearly 4 million workers nationwide.endorse sb for sthThe Commissioner praised the president and endorsed him for re-election.enthusiastically/strongly/vigorously endorse
›MARKETINGto appear in an advertisement saying that you use and like a product: The league prohibits players from endorsing products related to alcohol, tobacco, casinos, or gambling.be endorsed by sbThe new contemporary womenswear range - endorsed by well-known actress Tania Mitchell - was launched this autumn.
›BANKINGto sign the back of a cheque, bill of exchange, etc. that has your name on it in order to give permission for it to be paid to someone else: To endorse a cheque the original payee just has to sign the back of the cheque and state the name of the person concerned.
›INSURANCEto include a condition in an insurance agreement: The insurer can be asked to endorse the insurance certificate to confirm that driving in the performance of the employer's business is covered by the policy.